C. C. Marshall, Toward an ecology of hypertext annotation, Proceedings of the ninth ACM conference on Hypertext and hypermedia : links, objects, time and space---structure in hypermedia systems links, objects, time and space---structure in hypermedia systems, HYPERTEXT '98, pp.40-49, 1998.
DOI : 10.1145/276627.276632

S. Huron, P. Isenberg, E. J. Fekete, and . Polemictweet, PolemicTweet: Video Annotation and Analysis through Tagged Tweets, Proceedings of the IFIP TC13 Conference on Human- Computer Interaction (INTERACT), pp.135-152, 2013.
DOI : 10.1007/978-3-642-40480-1_9
URL : https://hal.archives-ouvertes.fr/hal-00817591

F. Silvestre, P. Vidal, and E. J. Broisin, « Génération semi-automatique de tests d'autoévaluation pourvus de feedback résultant de la prise de notes collaborative, pp.144-155, 2014.

C. Holotescu and G. Grosseck, Using microblogging to deliver online courses. Case-study: Cirip.ro, Procedia - Social and Behavioral Sciences, vol.1, issue.1, pp.495-501, 2009.
DOI : 10.1016/j.sbspro.2009.01.090
URL : http://doi.org/10.1016/j.sbspro.2009.01.090

X. Mu, Towards effective video annotation: An approach to automatically link notes with video content, Computers & Education, vol.55, issue.4, pp.1752-1763, 2010.
DOI : 10.1016/j.compedu.2010.07.021